Shared credits
Christopher Plummer averages 6.43, James Mason averages 6.70. Apart that suggests 6.57; together they average 6.75, a lift of +0.19.
Lift is the average of their films together minus the mean of their two career averages.
Dot size shows IMDb votes; lines are rolling five-film averages. Films with fewer than 1,000 votes are left out.
 The Fall of the Roman Empire | 1964 | 6.7 | 11,529 | as Commodus | as Timonides |
| Murder by Decree | 1979 | 6.8 | 7,930 | as Sherlock Holmes | as Dr. Watson |
